NYTIMES | Science
These Birds Are of Different Feathers, but They Flock Together
这些鸟虽来自不同的羽毛，但它们总是聚集在一起
An instance of interspecific allopreening, as ornithologists call it, between a crested caracara, right, and a black vulture in San Antonio.
2026-02-09 808词 中等
“It was just very weird to see that,” Ms. Reynolds said. She had been birding since 2009, but seeing a bird from one species preen one from another was new to her.
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